java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 02:33:23,427 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 02:33:23,429 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 02:33:23,448 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 02:33:23,448 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 02:33:23,450 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 02:33:23,452 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 02:33:23,454 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 02:33:23,458 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 02:33:23,459 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 02:33:23,461 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 02:33:23,461 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 02:33:23,462 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 02:33:23,464 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 02:33:23,465 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 02:33:23,473 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 02:33:23,474 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 02:33:23,477 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 02:33:23,480 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 02:33:23,483 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 02:33:23,485 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 02:33:23,486 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 02:33:23,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 02:33:23,491 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 02:33:23,492 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 02:33:23,493 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 02:33:23,493 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 02:33:23,494 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 02:33:23,495 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 02:33:23,497 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 02:33:23,497 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 02:33:23,498 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 02:33:23,498 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 02:33:23,498 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 02:33:23,500 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 02:33:23,500 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 02:33:23,503 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-01 02:33:23,529 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 02:33:23,529 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 02:33:23,530 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 02:33:23,530 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 02:33:23,531 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 02:33:23,531 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 02:33:23,531 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 02:33:23,532 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 02:33:23,532 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 02:33:23,532 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 02:33:23,532 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 02:33:23,532 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 02:33:23,532 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 02:33:23,533 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 02:33:23,533 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 02:33:23,533 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 02:33:23,533 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 02:33:23,533 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 02:33:23,534 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 02:33:23,534 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 02:33:23,534 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 02:33:23,534 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 02:33:23,536 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 02:33:23,536 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 02:33:23,536 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 02:33:23,537 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 02:33:23,537 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 02:33:23,537 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 02:33:23,537 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 02:33:23,596 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 02:33:23,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 02:33:23,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 02:33:23,615 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 02:33:23,615 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 02:33:23,616 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl [2018-10-01 02:33:23,617 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl' [2018-10-01 02:33:23,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 02:33:23,662 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 02:33:23,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 02:33:23,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 02:33:23,663 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 02:33:23,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:33:23" (1/1) ... [2018-10-01 02:33:23,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:33:23" (1/1) ... [2018-10-01 02:33:23,704 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-01 02:33:23,704 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-01 02:33:23,704 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-01 02:33:23,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 02:33:23,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 02:33:23,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 02:33:23,707 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 02:33:23,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:33:23" (1/1) ... [2018-10-01 02:33:23,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:33:23" (1/1) ... [2018-10-01 02:33:23,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:33:23" (1/1) ... [2018-10-01 02:33:23,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:33:23" (1/1) ... [2018-10-01 02:33:23,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:33:23" (1/1) ... [2018-10-01 02:33:23,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:33:23" (1/1) ... [2018-10-01 02:33:23,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:33:23" (1/1) ... [2018-10-01 02:33:23,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 02:33:23,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 02:33:23,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 02:33:23,728 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 02:33:23,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:33:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 02:33:23,804 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-01 02:33:23,805 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-01 02:33:23,805 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-01 02:33:24,227 INFO L345 CfgBuilder]: Using library mode [2018-10-01 02:33:24,228 INFO L202 PluginConnector]: Adding new model HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 02:33:24 BoogieIcfgContainer [2018-10-01 02:33:24,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 02:33:24,229 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 02:33:24,229 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 02:33:24,240 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 02:33:24,240 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 02:33:24" (1/1) ... [2018-10-01 02:33:24,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-01 02:33:24,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:24,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-10-01 02:33:24,287 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-10-01 02:33:24,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-01 02:33:24,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:24,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:24,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:24,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-01 02:33:24,602 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-01 02:33:24,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-01 02:33:24,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:24,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:24,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:24,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 6 states and 10 transitions. [2018-10-01 02:33:24,769 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 10 transitions. [2018-10-01 02:33:24,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-01 02:33:24,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:24,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:25,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:25,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 7 states and 13 transitions. [2018-10-01 02:33:25,156 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 13 transitions. [2018-10-01 02:33:25,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 02:33:25,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:25,237 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:25,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:25,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 8 states and 16 transitions. [2018-10-01 02:33:25,431 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 16 transitions. [2018-10-01 02:33:25,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 02:33:25,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:25,553 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:25,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:25,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 9 states and 19 transitions. [2018-10-01 02:33:25,709 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 19 transitions. [2018-10-01 02:33:25,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 02:33:25,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:25,858 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:26,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:26,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 10 states and 22 transitions. [2018-10-01 02:33:26,275 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 22 transitions. [2018-10-01 02:33:26,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 02:33:26,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:26,387 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:26,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:26,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 11 states and 25 transitions. [2018-10-01 02:33:26,539 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 25 transitions. [2018-10-01 02:33:26,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 02:33:26,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:26,692 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:26,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 12 states and 28 transitions. [2018-10-01 02:33:26,845 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 28 transitions. [2018-10-01 02:33:26,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 02:33:26,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:26,965 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:27,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:27,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 13 states and 31 transitions. [2018-10-01 02:33:27,156 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 31 transitions. [2018-10-01 02:33:27,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-01 02:33:27,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:27,326 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:27,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:27,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 14 states and 34 transitions. [2018-10-01 02:33:27,449 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 34 transitions. [2018-10-01 02:33:27,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 02:33:27,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:27,548 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:27,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:27,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 15 states and 37 transitions. [2018-10-01 02:33:27,693 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 37 transitions. [2018-10-01 02:33:27,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 02:33:27,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:27,780 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:27,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:27,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 16 states and 40 transitions. [2018-10-01 02:33:27,952 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 40 transitions. [2018-10-01 02:33:27,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 02:33:27,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:28,094 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:28,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:28,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 17 states and 43 transitions. [2018-10-01 02:33:28,444 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 43 transitions. [2018-10-01 02:33:28,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 02:33:28,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:28,937 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:29,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:29,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2018-10-01 02:33:29,392 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2018-10-01 02:33:29,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 02:33:29,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:29,538 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:29,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:29,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 19 states and 49 transitions. [2018-10-01 02:33:29,684 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 49 transitions. [2018-10-01 02:33:29,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 02:33:29,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:29,791 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:29,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:29,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 20 states and 52 transitions. [2018-10-01 02:33:29,968 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 52 transitions. [2018-10-01 02:33:29,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 02:33:29,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:30,188 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:30,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:30,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 21 states and 55 transitions. [2018-10-01 02:33:30,463 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 55 transitions. [2018-10-01 02:33:30,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-01 02:33:30,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:30,674 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:30,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:30,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 22 states and 58 transitions. [2018-10-01 02:33:30,859 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 58 transitions. [2018-10-01 02:33:30,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 02:33:30,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:30,986 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:31,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:31,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 23 states and 61 transitions. [2018-10-01 02:33:31,153 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 61 transitions. [2018-10-01 02:33:31,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 02:33:31,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:31,730 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:32,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:32,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 24 states and 64 transitions. [2018-10-01 02:33:32,527 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 64 transitions. [2018-10-01 02:33:32,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-01 02:33:32,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:33,146 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:33,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:33,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 25 states and 67 transitions. [2018-10-01 02:33:33,407 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 67 transitions. [2018-10-01 02:33:33,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-01 02:33:33,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:33,722 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:34,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:34,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 26 states and 70 transitions. [2018-10-01 02:33:34,294 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 70 transitions. [2018-10-01 02:33:34,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 02:33:34,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:34,652 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:34,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:34,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 27 states and 73 transitions. [2018-10-01 02:33:34,961 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 73 transitions. [2018-10-01 02:33:34,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-01 02:33:34,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:35,113 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:35,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:35,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 28 states and 76 transitions. [2018-10-01 02:33:35,338 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 76 transitions. [2018-10-01 02:33:35,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 02:33:35,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:36,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:36,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 29 states and 79 transitions. [2018-10-01 02:33:36,673 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 79 transitions. [2018-10-01 02:33:36,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-01 02:33:36,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:37,153 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:37,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:37,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 30 states and 82 transitions. [2018-10-01 02:33:37,405 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 82 transitions. [2018-10-01 02:33:37,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 02:33:37,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:37,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:37,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 31 states and 85 transitions. [2018-10-01 02:33:37,911 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 85 transitions. [2018-10-01 02:33:37,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-01 02:33:37,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:38,044 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:38,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:38,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 32 states and 88 transitions. [2018-10-01 02:33:38,252 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 88 transitions. [2018-10-01 02:33:38,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 02:33:38,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:39,017 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:39,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:39,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 33 states and 91 transitions. [2018-10-01 02:33:39,346 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 91 transitions. [2018-10-01 02:33:39,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-01 02:33:39,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:39,501 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:39,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:39,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 34 states and 94 transitions. [2018-10-01 02:33:39,715 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 94 transitions. [2018-10-01 02:33:39,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 02:33:39,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:40,051 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:40,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:40,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2018-10-01 02:33:40,321 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2018-10-01 02:33:40,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-01 02:33:40,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:40,619 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:40,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:40,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 36 states and 100 transitions. [2018-10-01 02:33:40,827 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 100 transitions. [2018-10-01 02:33:40,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 02:33:40,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:41,032 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:41,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:41,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 37 states and 103 transitions. [2018-10-01 02:33:41,430 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 103 transitions. [2018-10-01 02:33:41,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-01 02:33:41,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:41,592 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:41,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:41,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 38 states and 106 transitions. [2018-10-01 02:33:41,848 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 106 transitions. [2018-10-01 02:33:41,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 02:33:41,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:42,425 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:42,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:42,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 39 states and 109 transitions. [2018-10-01 02:33:42,641 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 109 transitions. [2018-10-01 02:33:42,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-01 02:33:42,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:43,107 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:43,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:43,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 40 states and 112 transitions. [2018-10-01 02:33:43,334 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 112 transitions. [2018-10-01 02:33:43,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 02:33:43,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:43,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:43,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 41 states and 115 transitions. [2018-10-01 02:33:43,996 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 115 transitions. [2018-10-01 02:33:43,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-01 02:33:43,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:44,292 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:44,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:44,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 42 states and 118 transitions. [2018-10-01 02:33:44,584 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 118 transitions. [2018-10-01 02:33:44,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 02:33:44,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:44,848 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:45,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:45,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 43 states and 121 transitions. [2018-10-01 02:33:45,096 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 121 transitions. [2018-10-01 02:33:45,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-01 02:33:45,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:45,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:45,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 44 states and 124 transitions. [2018-10-01 02:33:45,661 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 124 transitions. [2018-10-01 02:33:45,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 02:33:45,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:45,986 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:46,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:46,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 45 states and 127 transitions. [2018-10-01 02:33:46,495 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 127 transitions. [2018-10-01 02:33:46,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-01 02:33:46,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:46,748 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:47,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:47,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 46 states and 130 transitions. [2018-10-01 02:33:47,174 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 130 transitions. [2018-10-01 02:33:47,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 02:33:47,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:47,466 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:47,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:47,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 47 states and 133 transitions. [2018-10-01 02:33:47,805 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 133 transitions. [2018-10-01 02:33:47,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-01 02:33:47,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:48,061 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:48,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:48,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 48 states and 136 transitions. [2018-10-01 02:33:48,323 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 136 transitions. [2018-10-01 02:33:48,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 02:33:48,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:48,514 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:48,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:48,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 49 states and 139 transitions. [2018-10-01 02:33:48,789 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 139 transitions. [2018-10-01 02:33:48,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-01 02:33:48,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:49,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:49,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:49,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 50 states and 142 transitions. [2018-10-01 02:33:49,591 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 142 transitions. [2018-10-01 02:33:49,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 02:33:49,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:49,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:50,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:50,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 51 states and 145 transitions. [2018-10-01 02:33:50,294 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 145 transitions. [2018-10-01 02:33:50,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 02:33:50,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:50,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:51,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:51,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 52 states and 148 transitions. [2018-10-01 02:33:51,065 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 148 transitions. [2018-10-01 02:33:51,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 02:33:51,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:51,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:51,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:51,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 53 states and 151 transitions. [2018-10-01 02:33:51,708 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 151 transitions. [2018-10-01 02:33:51,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 02:33:51,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:52,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:52,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 54 states and 154 transitions. [2018-10-01 02:33:52,188 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 154 transitions. [2018-10-01 02:33:52,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 02:33:52,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:52,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:52,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 55 states and 157 transitions. [2018-10-01 02:33:52,665 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 157 transitions. [2018-10-01 02:33:52,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-01 02:33:52,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:52,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:53,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:53,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 56 states and 160 transitions. [2018-10-01 02:33:53,225 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 160 transitions. [2018-10-01 02:33:53,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 02:33:53,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:53,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:53,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 57 states and 163 transitions. [2018-10-01 02:33:53,794 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 163 transitions. [2018-10-01 02:33:53,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 02:33:53,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:53,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:54,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:54,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 58 states and 166 transitions. [2018-10-01 02:33:54,404 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 166 transitions. [2018-10-01 02:33:54,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 02:33:54,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:54,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:55,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:55,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 59 states and 169 transitions. [2018-10-01 02:33:55,339 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 169 transitions. [2018-10-01 02:33:55,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 02:33:55,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:55,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:33:55,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:33:55,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 60 states and 172 transitions. [2018-10-01 02:33:55,913 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 172 transitions. [2018-10-01 02:33:55,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 02:33:55,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:33:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:33:56,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:02,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:02,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 61 states and 175 transitions. [2018-10-01 02:34:02,672 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 175 transitions. [2018-10-01 02:34:02,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 02:34:02,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:02,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:03,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:03,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 62 states and 178 transitions. [2018-10-01 02:34:03,226 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 178 transitions. [2018-10-01 02:34:03,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 02:34:03,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:03,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:03,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 63 states and 181 transitions. [2018-10-01 02:34:03,773 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 181 transitions. [2018-10-01 02:34:03,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-01 02:34:03,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:03,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:04,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:04,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 64 states and 184 transitions. [2018-10-01 02:34:04,346 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 184 transitions. [2018-10-01 02:34:04,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 02:34:04,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:04,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:05,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:05,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 65 states and 187 transitions. [2018-10-01 02:34:05,181 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 187 transitions. [2018-10-01 02:34:05,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-01 02:34:05,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:05,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:05,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:05,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 66 states and 190 transitions. [2018-10-01 02:34:05,818 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 190 transitions. [2018-10-01 02:34:05,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 02:34:05,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:06,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:06,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:06,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 67 states and 193 transitions. [2018-10-01 02:34:06,464 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 193 transitions. [2018-10-01 02:34:06,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-01 02:34:06,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:07,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:08,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:08,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 68 states and 196 transitions. [2018-10-01 02:34:08,028 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 196 transitions. [2018-10-01 02:34:08,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 02:34:08,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:08,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:08,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:08,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 69 states and 199 transitions. [2018-10-01 02:34:08,830 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 199 transitions. [2018-10-01 02:34:08,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-01 02:34:08,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:09,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:10,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:10,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 70 states and 202 transitions. [2018-10-01 02:34:10,315 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 202 transitions. [2018-10-01 02:34:10,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 02:34:10,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:10,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:10,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:10,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 71 states and 205 transitions. [2018-10-01 02:34:10,942 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 205 transitions. [2018-10-01 02:34:10,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-01 02:34:10,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:11,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:11,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:11,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 72 states and 208 transitions. [2018-10-01 02:34:11,596 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 208 transitions. [2018-10-01 02:34:11,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 02:34:11,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:11,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:12,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:12,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 73 states and 211 transitions. [2018-10-01 02:34:12,202 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 211 transitions. [2018-10-01 02:34:12,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-01 02:34:12,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:12,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:12,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:12,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 74 states and 214 transitions. [2018-10-01 02:34:12,965 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 214 transitions. [2018-10-01 02:34:12,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 02:34:12,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:13,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:14,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:14,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 75 states and 217 transitions. [2018-10-01 02:34:14,090 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 217 transitions. [2018-10-01 02:34:14,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-01 02:34:14,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:15,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:15,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 76 states and 220 transitions. [2018-10-01 02:34:15,260 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 220 transitions. [2018-10-01 02:34:15,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 02:34:15,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:15,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:16,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:16,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 77 states and 223 transitions. [2018-10-01 02:34:16,014 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 223 transitions. [2018-10-01 02:34:16,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-01 02:34:16,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:16,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:16,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:16,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 78 states and 226 transitions. [2018-10-01 02:34:16,808 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 226 transitions. [2018-10-01 02:34:16,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 02:34:16,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:17,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:17,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:17,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 79 states and 229 transitions. [2018-10-01 02:34:17,495 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 229 transitions. [2018-10-01 02:34:17,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-01 02:34:17,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:17,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:18,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:18,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 80 states and 232 transitions. [2018-10-01 02:34:18,257 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 232 transitions. [2018-10-01 02:34:18,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 02:34:18,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:18,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:19,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:19,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 81 states and 235 transitions. [2018-10-01 02:34:19,143 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 235 transitions. [2018-10-01 02:34:19,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-01 02:34:19,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:19,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:19,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:19,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 82 states and 238 transitions. [2018-10-01 02:34:19,892 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 238 transitions. [2018-10-01 02:34:19,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 02:34:19,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:20,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:20,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:20,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 83 states and 241 transitions. [2018-10-01 02:34:20,737 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 241 transitions. [2018-10-01 02:34:20,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-01 02:34:20,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:20,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:21,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:21,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 84 states and 244 transitions. [2018-10-01 02:34:21,443 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 244 transitions. [2018-10-01 02:34:21,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-01 02:34:21,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:21,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:22,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:22,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 85 states and 247 transitions. [2018-10-01 02:34:22,345 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 247 transitions. [2018-10-01 02:34:22,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-01 02:34:22,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:22,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:23,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:23,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 86 states and 250 transitions. [2018-10-01 02:34:23,104 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 250 transitions. [2018-10-01 02:34:23,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-01 02:34:23,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:23,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:23,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:23,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 87 states and 253 transitions. [2018-10-01 02:34:23,834 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 253 transitions. [2018-10-01 02:34:23,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-01 02:34:23,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:24,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:24,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:24,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 88 states and 256 transitions. [2018-10-01 02:34:24,840 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 256 transitions. [2018-10-01 02:34:24,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-01 02:34:24,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:25,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:25,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:25,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 89 states and 259 transitions. [2018-10-01 02:34:25,856 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 259 transitions. [2018-10-01 02:34:25,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-01 02:34:25,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:26,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:26,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:26,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 90 states and 262 transitions. [2018-10-01 02:34:26,711 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 262 transitions. [2018-10-01 02:34:26,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-01 02:34:26,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:27,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:27,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 91 states and 265 transitions. [2018-10-01 02:34:27,538 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 265 transitions. [2018-10-01 02:34:27,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-01 02:34:27,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:27,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:28,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:28,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 92 states and 268 transitions. [2018-10-01 02:34:28,327 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 268 transitions. [2018-10-01 02:34:28,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-01 02:34:28,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:28,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:29,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:29,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 93 states and 271 transitions. [2018-10-01 02:34:29,116 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 271 transitions. [2018-10-01 02:34:29,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-01 02:34:29,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:29,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:29,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:29,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 94 states and 274 transitions. [2018-10-01 02:34:29,934 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 274 transitions. [2018-10-01 02:34:29,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-01 02:34:29,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:30,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:31,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:31,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 95 states and 277 transitions. [2018-10-01 02:34:31,004 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 277 transitions. [2018-10-01 02:34:31,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-01 02:34:31,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:31,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:31,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:31,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 96 states and 280 transitions. [2018-10-01 02:34:31,942 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 280 transitions. [2018-10-01 02:34:31,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-01 02:34:31,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:32,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:32,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:32,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 97 states and 283 transitions. [2018-10-01 02:34:32,780 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 283 transitions. [2018-10-01 02:34:32,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-01 02:34:32,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:33,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:33,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:33,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 98 states and 286 transitions. [2018-10-01 02:34:33,662 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 286 transitions. [2018-10-01 02:34:33,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-01 02:34:33,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:34,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:34,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 99 states and 289 transitions. [2018-10-01 02:34:34,585 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 289 transitions. [2018-10-01 02:34:34,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-01 02:34:34,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:34,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:35,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:35,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 100 states and 292 transitions. [2018-10-01 02:34:35,771 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 292 transitions. [2018-10-01 02:34:35,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-01 02:34:35,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:36,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:36,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:36,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 101 states and 295 transitions. [2018-10-01 02:34:36,753 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 295 transitions. [2018-10-01 02:34:36,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-01 02:34:36,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:37,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:37,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:37,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 102 states and 298 transitions. [2018-10-01 02:34:37,761 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 298 transitions. [2018-10-01 02:34:37,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-01 02:34:37,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:38,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:38,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:38,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 103 states and 301 transitions. [2018-10-01 02:34:38,690 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 301 transitions. [2018-10-01 02:34:38,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-01 02:34:38,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:34:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:34:39,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:34:39,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 104 states and 304 transitions. [2018-10-01 02:34:39,607 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 304 transitions. [2018-10-01 02:34:39,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-01 02:34:39,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:34:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:35:02,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:37:03,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:37:03,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 205 states and 807 transitions. [2018-10-01 02:37:03,481 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 807 transitions. [2018-10-01 02:37:03,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-01 02:37:03,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:37:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:37:13,566 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:37:17,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:37:17,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 205 states and 805 transitions. [2018-10-01 02:37:17,700 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 805 transitions. [2018-10-01 02:37:17,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-01 02:37:17,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:37:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:37:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:37:28,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:37:28,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 206 states and 808 transitions. [2018-10-01 02:37:28,150 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 808 transitions. [2018-10-01 02:37:28,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-01 02:37:28,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:37:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:37:37,970 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:37:40,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:37:40,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 207 states and 813 transitions. [2018-10-01 02:37:40,867 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 813 transitions. [2018-10-01 02:37:40,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-01 02:37:40,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:37:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:37:50,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:37:52,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:37:52,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 208 states and 816 transitions. [2018-10-01 02:37:52,651 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 816 transitions. [2018-10-01 02:37:52,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-01 02:37:52,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:37:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:38:01,528 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:38:03,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:38:03,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 209 states and 821 transitions. [2018-10-01 02:38:03,397 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 821 transitions. [2018-10-01 02:38:03,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-01 02:38:03,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:38:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:38:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:38:14,292 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2018-10-01 02:38:16,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:38:16,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 210 states and 826 transitions. [2018-10-01 02:38:16,244 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 826 transitions. [2018-10-01 02:38:16,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-01 02:38:16,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:38:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:38:24,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:38:26,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:38:26,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 211 states and 829 transitions. [2018-10-01 02:38:26,734 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 829 transitions. [2018-10-01 02:38:26,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-01 02:38:26,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:38:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:38:36,500 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:38:39,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:38:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 212 states and 834 transitions. [2018-10-01 02:38:39,268 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 834 transitions. [2018-10-01 02:38:39,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-01 02:38:39,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:38:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:38:48,165 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:38:49,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:38:49,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 213 states and 837 transitions. [2018-10-01 02:38:49,893 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 837 transitions. [2018-10-01 02:38:49,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-01 02:38:49,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:38:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:38:59,585 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:39:02,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:39:02,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 214 states and 842 transitions. [2018-10-01 02:39:02,544 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 842 transitions. [2018-10-01 02:39:02,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-01 02:39:02,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:39:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:39:10,978 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:39:12,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:39:12,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 215 states and 845 transitions. [2018-10-01 02:39:12,990 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 845 transitions. [2018-10-01 02:39:12,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-01 02:39:12,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:39:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:39:22,688 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:39:25,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:39:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 216 states and 850 transitions. [2018-10-01 02:39:25,721 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 850 transitions. [2018-10-01 02:39:25,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-01 02:39:25,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:39:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:39:34,386 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:39:36,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:39:36,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 217 states and 853 transitions. [2018-10-01 02:39:36,418 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 853 transitions. [2018-10-01 02:39:36,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-01 02:39:36,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:39:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:39:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:39:49,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:39:49,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 218 states and 858 transitions. [2018-10-01 02:39:49,140 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 858 transitions. [2018-10-01 02:39:49,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-01 02:39:49,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:39:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:39:58,021 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:40:00,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:40:00,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 219 states and 861 transitions. [2018-10-01 02:40:00,082 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 861 transitions. [2018-10-01 02:40:00,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-01 02:40:00,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:40:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:40:09,870 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:40:12,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:40:12,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 220 states and 866 transitions. [2018-10-01 02:40:12,725 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 866 transitions. [2018-10-01 02:40:12,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-01 02:40:12,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:40:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:40:21,641 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:40:23,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:40:23,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 221 states and 869 transitions. [2018-10-01 02:40:23,786 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 869 transitions. [2018-10-01 02:40:23,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-01 02:40:23,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:40:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:40:33,333 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:40:36,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:40:36,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 222 states and 874 transitions. [2018-10-01 02:40:36,429 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 874 transitions. [2018-10-01 02:40:36,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-01 02:40:36,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:40:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:40:45,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:40:47,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:40:47,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 223 states and 877 transitions. [2018-10-01 02:40:47,427 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 877 transitions. [2018-10-01 02:40:47,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-01 02:40:47,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:40:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:40:57,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:41:00,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:41:00,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 224 states and 882 transitions. [2018-10-01 02:41:00,397 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 882 transitions. [2018-10-01 02:41:00,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-01 02:41:00,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:41:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:41:09,072 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:41:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:41:11,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 225 states and 885 transitions. [2018-10-01 02:41:11,521 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 885 transitions. [2018-10-01 02:41:11,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-01 02:41:11,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:41:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:41:21,328 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:41:24,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:41:24,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 226 states and 890 transitions. [2018-10-01 02:41:24,424 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 890 transitions. [2018-10-01 02:41:24,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-01 02:41:24,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:41:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:41:33,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:41:35,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:41:35,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 227 states and 893 transitions. [2018-10-01 02:41:35,928 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 893 transitions. [2018-10-01 02:41:35,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-01 02:41:35,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:41:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:41:45,862 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:41:48,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:41:48,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 228 states and 898 transitions. [2018-10-01 02:41:48,968 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 898 transitions. [2018-10-01 02:41:48,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-01 02:41:48,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:41:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:41:57,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:42:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:42:00,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 229 states and 901 transitions. [2018-10-01 02:42:00,450 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 901 transitions. [2018-10-01 02:42:00,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-01 02:42:00,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:42:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:42:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:42:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:42:13,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 230 states and 906 transitions. [2018-10-01 02:42:13,752 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 906 transitions. [2018-10-01 02:42:13,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-01 02:42:13,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:42:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:42:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:42:25,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:42:25,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 231 states and 909 transitions. [2018-10-01 02:42:25,494 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 909 transitions. [2018-10-01 02:42:25,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-01 02:42:25,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:42:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:42:35,522 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:42:38,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:42:38,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 232 states and 914 transitions. [2018-10-01 02:42:38,914 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 914 transitions. [2018-10-01 02:42:38,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-01 02:42:38,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:42:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:42:47,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:42:50,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:42:50,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 233 states and 917 transitions. [2018-10-01 02:42:50,657 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 917 transitions. [2018-10-01 02:42:50,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-01 02:42:50,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:42:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:43:00,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:43:03,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:43:03,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 234 states and 922 transitions. [2018-10-01 02:43:03,995 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 922 transitions. [2018-10-01 02:43:03,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-01 02:43:03,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:43:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:43:13,017 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:43:16,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:43:16,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 235 states and 925 transitions. [2018-10-01 02:43:16,009 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 925 transitions. [2018-10-01 02:43:16,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-01 02:43:16,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:43:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:43:26,025 INFO L134 CoverageAnalysis]: Checked inductivity of 6903 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:43:29,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:43:29,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 236 states and 930 transitions. [2018-10-01 02:43:29,472 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 930 transitions. [2018-10-01 02:43:29,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-01 02:43:29,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:43:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:43:38,415 INFO L134 CoverageAnalysis]: Checked inductivity of 6903 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:43:41,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:43:41,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 237 states and 933 transitions. [2018-10-01 02:43:41,482 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 933 transitions. [2018-10-01 02:43:41,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-01 02:43:41,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:43:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:43:51,448 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:43:55,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:43:55,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 238 states and 938 transitions. [2018-10-01 02:43:55,038 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 938 transitions. [2018-10-01 02:43:55,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-01 02:43:55,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:43:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:44:03,996 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:44:04,892 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-10-01 02:44:07,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:44:07,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 239 states and 941 transitions. [2018-10-01 02:44:07,282 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 941 transitions. [2018-10-01 02:44:07,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-01 02:44:07,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:44:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:44:17,354 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:44:20,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:44:20,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 240 states and 946 transitions. [2018-10-01 02:44:20,975 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 946 transitions. [2018-10-01 02:44:20,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-01 02:44:20,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:44:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:44:29,904 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:44:30,881 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-01 02:44:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:44:33,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 241 states and 949 transitions. [2018-10-01 02:44:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 949 transitions. [2018-10-01 02:44:33,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-01 02:44:33,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:44:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:44:43,579 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:44:47,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:44:47,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 242 states and 954 transitions. [2018-10-01 02:44:47,194 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 954 transitions. [2018-10-01 02:44:47,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-01 02:44:47,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:44:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:44:56,261 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:44:57,277 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2018-10-01 02:44:59,322 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2018-10-01 02:44:59,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:44:59,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 243 states and 957 transitions. [2018-10-01 02:44:59,831 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 957 transitions. [2018-10-01 02:44:59,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-01 02:44:59,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:44:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:45:09,652 INFO L134 CoverageAnalysis]: Checked inductivity of 7381 backedges. 0 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:45:13,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:45:13,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 244 states and 962 transitions. [2018-10-01 02:45:13,201 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 962 transitions. [2018-10-01 02:45:13,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-01 02:45:13,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:45:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:45:22,182 INFO L134 CoverageAnalysis]: Checked inductivity of 7381 backedges. 0 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:45:23,234 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-10-01 02:45:25,370 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2018-10-01 02:45:25,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:45:25,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 245 states and 965 transitions. [2018-10-01 02:45:25,958 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 965 transitions. [2018-10-01 02:45:25,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-01 02:45:25,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:45:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:45:36,010 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:45:39,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:45:39,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 246 states and 970 transitions. [2018-10-01 02:45:39,480 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 970 transitions. [2018-10-01 02:45:39,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-01 02:45:39,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:45:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:45:48,413 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:45:49,497 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-01 02:45:51,756 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-01 02:45:52,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:45:52,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 247 states and 973 transitions. [2018-10-01 02:45:52,321 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 973 transitions. [2018-10-01 02:45:52,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-01 02:45:52,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:45:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:02,443 INFO L134 CoverageAnalysis]: Checked inductivity of 7626 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:46:05,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:46:05,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 248 states and 978 transitions. [2018-10-01 02:46:05,875 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 978 transitions. [2018-10-01 02:46:05,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-01 02:46:05,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:46:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-01 02:46:10,417 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-10-01 02:46:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:46:10,554 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:46:10,562 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-01 02:46:10,562 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-01 02:46:10,565 INFO L168 Benchmark]: Toolchain (without parser) took 766905.16 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 131.1 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 439.3 MB). Peak memory consumption was 570.4 MB. Max. memory is 7.1 GB. [2018-10-01 02:46:10,566 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 02:46:10,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 02:46:10,566 INFO L168 Benchmark]: Boogie Preprocessor took 21.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 02:46:10,566 INFO L168 Benchmark]: RCFGBuilder took 500.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-01 02:46:10,567 INFO L168 Benchmark]: CodeCheck took 766335.40 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 131.1 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 418.2 MB). Peak memory consumption was 549.3 MB. Max. memory is 7.1 GB. [2018-10-01 02:46:10,569 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 1280 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 500.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 766335.40 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 131.1 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 418.2 MB). Peak memory consumption was 549.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/HiddenEqualityWithBranches.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-01_02-46-10-579.csv Completed graceful shutdown